Why does the author switch from narrative writing to a letter in the excerpt?

In what ways is crooks even more lonely than the other men on the ranch

Which of these authors wrote a story that revolved around a captains underwater adventures with his crew and a sub marine long before the submarine was actually invented

Hurry 100 points consider the speakers in "the raven" and the speaker in "the song of wandering aengus."write two paragraphs to compare and contrast the voice in these two poems. how does the poet give the speaker in each poem a distinctive voice? what effect does this voice have in each poem?